CN110805450B - Segment structure with combined mortise-tenon joint and female-head locking joint connecting assembly - Google Patents
Segment structure with combined mortise-tenon joint and female-head locking joint connecting assembly Download PDFInfo
- Publication number
- CN110805450B CN110805450B CN201911036408.3A CN201911036408A CN110805450B CN 110805450 B CN110805450 B CN 110805450B CN 201911036408 A CN201911036408 A CN 201911036408A CN 110805450 B CN110805450 B CN 110805450B
- Authority
- CN
- China
- Prior art keywords
- female
- joint
- mortise
- tenon
- joint connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 8
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Connection Of Plates (AREA)
Abstract
The invention belongs to the technical field related to a shield tunnel lining structure, and discloses a duct piece structure with a combined tenon-and-mortise and female locking joint connecting assembly, which comprises a plurality of shield duct pieces and a plurality of combined tenon-and-mortise and female locking joint connecting assemblies, wherein the duct piece structure is cylindrical, the shield duct pieces are arc-shaped and comprise two rectangular ends and two arc-shaped ends which are connected, the two rectangular ends are arranged along the circumferential direction of the duct piece structure, and the two arc-shaped ends are arranged along the axial direction of the duct piece structure; the two opposite arc ends are respectively provided with a groove and a bulge, and the bulges are accommodated in the grooves; the combined tenon-and-mortise and female locking joint connecting assembly comprises a tenon-and-mortise joint connecting piece and a female locking push joint connecting piece; mortise-tenon joint connecting piece connects two relative rectangle ends, and female head locking bulldozes joint connecting piece and connects two relative arc ends, realizes the circumference and the axial of two adjacent shield segments from this and connects. The invention improves the waterproof performance, the shearing performance and the joint toughness.
Description
Technical Field
The invention belongs to the technical field related to shield tunnel lining structures, and particularly relates to a segment structure with a combined mortise and tenon joint and female locking joint connecting assembly.
Background
In recent years, with the problem of urban traffic congestion becoming more and more serious, more and more cities begin to build subway projects. The shield machine has small influence on the environment, is suitable for construction of large burial depth, high soil pressure and high water pressure, has the advantages of low cost, wide application range and the like, occupies a domination position in the construction of urban subway projects, and becomes an indispensable general tunnel construction technology.
The shield method tunnel construction is one of the main construction techniques for the construction of subway tunnels and comprehensive pipe galleries, and the segment assembly is an important process of the shield method construction. In recent years, shield tunnel construction is increasingly pursuing efficient, high-quality, safe and rapid construction. Tradition shield constructs section of jurisdiction intra-annular connection and adopts arc bolted connection mostly, and the arc bolt is out of shape easily, and the arc bolt often can be more difficult during the construction when perforating, needs the special messenger to carry out the locking and the operation of retiring of bolt simultaneously, consumes a large amount of time and manpower, and traditional bolted connection mode prevention of seepage water performance, durability are not high in addition, often take place quality problems such as section of jurisdiction infiltration, section of jurisdiction crack, ballast bed gap easily at shield tunnel later stage fortune dimension in-process. Correspondingly, there is the technical demand that develops a better performance's section of jurisdiction structure that has combination formula mortise-tenon joint and female first locking joint coupling assembling in this field.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides a segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly. The segment structure comprises a mortise and tenon joint connecting piece and a female head locking push joint connecting piece; the tenon-and-mortise joint connecting piece is connected with two opposite rectangular ends so as to realize circumferential connection of two adjacent shield segments; female first locking bulldozes joint connection spare and connects two relative arc ends to realize the axial of two adjacent shield constructs the section of jurisdiction and connect, simplified the section of jurisdiction and assembled the process, shortened the activity duration, improved the performance of section of jurisdiction structure.
In order to achieve the purpose, the invention provides a duct piece structure with a combined mortise and tenon joint and female joint locking joint connecting assembly, the duct piece structure comprises a plurality of shield duct pieces and a plurality of combined mortise and tenon joint and female joint locking joint connecting assemblies, the duct piece structure is cylindrical, the shield duct pieces are arc-shaped and comprise two rectangular ends and two arc-shaped ends which are connected, the two rectangular ends are oppositely arranged along the circumferential direction of the duct piece structure, and the two arc-shaped ends are oppositely arranged along the axial direction of the duct piece structure; the two opposite arc ends are respectively provided with a groove and a bulge, and the bulges are accommodated in the grooves;
the combined mortise and tenon and female locking joint connecting assembly comprises a mortise and tenon joint connecting piece and a female locking push joint connecting piece; the tenon-and-mortise joint connecting piece is connected with two opposite rectangular ends so as to realize circumferential connection of two adjacent shield segments; the female locking and pushing joint connecting piece is connected with the two opposite arc ends so as to realize the axial connection of two adjacent shield segments;
the female locking and pushing joint connecting piece comprises a male plug joint and a female plug joint which are respectively connected to two opposite arc ends, the male plug joint comprises a pin connected to the arc ends, a conical body is arranged at one end of the pin facing the female plug joint, the diameter of the large end of the conical body is larger than that of the pin, and the diameter of the large end of the conical body is gradually reduced along the direction far away from the pin; the female plug connector comprises a steel pipe connected with an arc-shaped end and a stop valve, an accommodating hole is formed in the steel pipe, and the stop valve is arranged at one end, facing the male plug connector, of the accommodating hole and is funnel-shaped; the stop valve is elastically deformed or restored to elastically deform so that the cone body passes through the stop valve or abuts against the stop valve to be locked with each other.
Further, the stop valve is made of elastic materials and comprises three stop pieces, and the three stop pieces are obliquely arranged.
Furthermore, the female plug connector also comprises a horn-shaped tail part, a rubber sleeve and a rubber plug, one end of the steel tube is connected with the horn-shaped tail part, and the other end of the steel tube is provided with the rubber sleeve; stress holes are formed in the wall of the accommodating hole; the rubber stopper sets up in the accommodating hole, it with the stress hole is relative.
Further, public spigot includes anchor bar, bolt and pin, the anchor bar orientation the bolt hole has been seted up to female spigot's one end, the one end threaded connection of bolt in the bolt hole, the other end connect in the pin.
Furthermore, the anchor bars are arranged in the shield segment and are Y-shaped long thread anchor bars; the bolt and the pin are both made of high-strength stainless steel.
Furthermore, the mortise-tenon joint connecting piece comprises a male clamping joint and a female clamping joint, and the male clamping joint and the female clamping joint are respectively arranged in the two opposite rectangular ends; the male bayonet joint is clamped into the female bayonet joint through sliding, so that mortise and tenon joints are formed between the male bayonet joint and the female bayonet joint, and circumferential connection of two adjacent shield segments is realized.
Furthermore, the male card connector and the female card connector are obliquely arranged; the male card connector comprises a first standard block and a first anchor rod, the first anchor rod is connected to one end of the first standard block, and the other end of the first standard block is clamped into the female card connector; the first standard block is I-shaped.
Further, the female snap joint comprises a second standard block and a second anchor rod, and the second anchor rod is connected to one end of the second standard block; the second anchor rods are arranged in the shield segment, the second standard blocks are I-shaped, and the number of the second standard blocks is at least two; one ends of the at least two second standard blocks are connected, and the other ends of the at least two second standard blocks are arranged at intervals to form at least one accommodating groove, wherein the accommodating groove consists of a circular groove and an opening which are communicated with each other, and the opening penetrates through the groove wall of the circular groove; one end of the first standard block is clamped in the accommodating groove.
Furthermore, the first standard block, the second standard block, the first anchor rod and the second anchor rod are all made of steel; the structure of the first standard block is the same as the structure of the second standard block.
Furthermore, a clamping groove is formed in the rectangular end where the female clamping connector is located, and a second standard block of the female clamping connector is partially accommodated in the clamping groove and located on one side of the clamping groove; the length of the clamping groove along the axial direction of the duct piece structure is greater than or equal to the sum of the length of the first standard block and the length of the second standard block.
Generally speaking, compared with the prior art, the segment structure with the combined mortise-tenon and female locking joint connecting assembly provided by the invention mainly has the following beneficial effects:
1. stop valve is passed through elastic deformation or resumes elastic deformation so that the conical body passes stop valve or make the conical body with stop valve offsets and leans on and lock each other and die, and shield constructs the axial connection and the circumference of section of jurisdiction and connect simultaneously, has reduced most high altitude construction and narrow and small space operation to improve the security of assembling the operation, realized assembling the simplification and the high speed of operation, the time of assembling shortens by a wide margin, has improved the quality of assembling, has then improved the performance of section of jurisdiction structure.
2. The main material of the segment structure is a steel product, so that the segment structure has very low brittle fracture possibility, strong high axial shear performance and very good toughness, and compared with the traditional quick joint connected by bolts, the segment structure has better sealing performance and can reduce the water seepage amount of the shield tunnel caused by structural diseases.
3. Through the standard block stack quantity of adjustment public joint and female joint to the intensity size of regulation and control novel shield structure section of jurisdiction connection structure can conveniently be adapted to the intensity demand of the section of jurisdiction of different diameters size, and the suitability is stronger.
4. The pin orientation female joint's one end is provided with the conical body, the diameter of conical body main aspects is greater than the diameter of pin, and its diameter is along keeping away from the direction of pin reduces gradually, so can guarantee that the public joint of inserting also can be by automatic alignment slightly off normal when female type connects, improved the quality that the section of jurisdiction was assembled.
5. The male clamping connector and the female clamping connector are all obliquely arranged, so that a wedge-shaped effect is formed between shield segments, and the connection strength between the shield segments is enhanced.
6. The two opposite arc ends are respectively provided with a groove and a protrusion, the protrusion is accommodated in the groove, the shearing load between the shield segment rings is borne by adopting the mode, and the connection strength is improved.
Drawings
Fig. 1 is a connection schematic diagram of a segment structure with a combined mortise-tenon joint and female locking joint connection assembly according to a preferred embodiment of the present invention;
FIG. 2 is a process view of the assembly of the mortise joint connector of FIG. 1 with the combined mortise and tenon and box locking joint connection assembly;
FIG. 3 is a schematic view of the connection of the mortise-tenon joint connector of FIG. 2;
FIG. 4 is a schematic perspective view of a male-female connector of the mortise-tenon joint connector of FIG. 2;
FIG. 5 is a schematic perspective view of a female snap joint of the mortise-tenon joint connector of FIG. 2;
FIG. 6 is a schematic perspective view of the mortise and tenon joint connector of FIG. 2;
FIG. 7 is a schematic view of a standard block of the mortise joint connector of FIG. 2;
FIG. 8 is an assembled schematic view of a female locking push joint connector of the segment configuration of FIG. 1 having a combined mortise and tenon joint and female locking joint connection assembly;
FIG. 9 is a perspective view of the female connector of the female lock push connector coupling of FIG. 8;
FIG. 10 is a cross-sectional view of the female connector of FIG. 9;
FIG. 11 is a partial cross-sectional view of the male connector of the female lock push on connector of FIG. 8;
FIG. 12 is a partial schematic view of the male connector of the female lock push on connector of FIG. 8.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-arc end, 2-rectangular end, 3-male snap joint, 3-1-first standard block, 3-2-first anchor rod, 4-female snap joint, 4-1-second standard block, 4-2-second anchor rod, 4-3-clamping groove, 5-male plug joint, 5-1-anchor bar, 5-2-bolt hole, 5-3-bolt, 5-4-pin, 6-female plug joint, 6-1-steel pipe, 6-2-stop valve, 6-3-stress hole, 6-4-horn tail, 6-5-rubber sleeve and 6-6-rubber plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, in the segment structure having the combined mortise-tenon joint and female locking joint connection assembly according to the preferred embodiment of the present invention, the joint of the segment structure is light in weight and low in cost, and has excellent water seepage resistance and durability, strength controllability, and high assembling speed. In addition, the standard block quantity and the number of thickening layers of accessible adjustment public bayonet joint and female bayonet joint are in order to satisfy the section of jurisdiction intensity requirement in different diameters size, and the misalignment also can be inserted by automation when public bayonet joint inserts female bayonet joint simultaneously, have the function of accent core, have improved the quality that the section of jurisdiction was assembled.
The segment structure comprises a plurality of shield segments and a plurality of combined tenon-and-mortise and female locking joint connecting assemblies, and the combined tenon-and-mortise and female locking joint connecting assemblies are respectively connected with the plurality of shield segments so as to connect the plurality of shield segments together, so that the segment structure is formed;
the shield segment is arc-shaped and comprises two rectangular ends 2 and two arc-shaped ends 1, and the two rectangular ends 2 and the two arc-shaped ends 1 are staggered to form end-to-end connection; the segment structure is the tube-shape, two 2 edges in rectangle end the circumference setting of segment structure, two 1 edges in arc end the axial setting of segment structure.
The end faces of the two opposite arc-shaped ends 1 are respectively provided with a plurality of grooves and a plurality of lugs, the shapes and the positions of the grooves respectively correspond to those of the lugs, and the lugs are contained in the grooves to strengthen the connection strength between adjacent segments and bear the shearing load between the segments.
The combined tenon-and-mortise and female locking joint connecting assembly comprises a tenon-and-mortise joint connecting piece and a female locking pushing joint connecting piece, and the tenon-and-mortise joint connecting pieces are connected to two opposite rectangular ends so as to circumferentially connect two adjacent shield segments; the female locking and pushing joint connecting piece is connected with the two opposite arc ends so as to axially connect the two adjacent shield segments;
referring to fig. 2, 3, 4, 5, 6 and 7, the mortise-tenon joint connector includes a male bayonet joint 3 and a female bayonet joint 4, and the male bayonet joint 3 and the female bayonet joint 4 are respectively disposed in two opposite rectangular ends 2. Male joint 3 is blocked in through the slip female joint 4 makes public joint 3 with form mortise-tenon joint between the female joint 4, realized the circumferential direction of two adjacent shield segments and connected.
The male card connector 3 comprises a first standard block 3-1 and a first anchor rod 3-2, the first anchor rod 3-2 is connected to one end of the first standard block 3-1, and the other end of the first standard block 3-1 is clamped into the female card connector 4. The first anchor rod 3-2 is arranged in the shield segment and is made of steel together with the first standard block 3-1.
In this embodiment, the first standard block 3-1 is in an I shape, a welding point a is formed on the first standard block, and the first standard block 3-1 is connected with other components by welding; the number of the first anchor rods 3-2 is two, and the two first anchor rods 3-2 are arranged at intervals; the first anchor rod 3-2 is U-shaped.
The female snap joint 4 comprises a second standard block 4-1 and a second anchor rod 4-2, and the second anchor rod 4-2 is connected to one end of the second standard block 4-1. The second anchor rods 4-2 are arranged in the shield segment, and the number of the second anchor rods is two; of course, in other embodiments, the number of the channels can be increased or decreased according to actual needs; the number of the second standard blocks 4-1 is also two, one ends of the two second standard blocks 4-1 are connected together, the other ends are arranged at intervals to form accommodating grooves, and the accommodating grooves are used for accommodating one ends of the first standard blocks 3-1. The containing groove consists of a circular groove and an opening which are communicated, and the opening penetrates through the groove wall of the circular groove; the included angle between the two side walls of the opening is about 20 degrees.
In this embodiment, the second standard block 4-1 is I-shaped, and the first standard block 3-1, the second standard block 4-1, the first anchor rod 3-2 and the second anchor rod 4-3 are all made of steel; the first standard block 3-1 has the same structure as the second standard block 4-1.
The rectangular end 2 where the female bayonet joint 4 is located is provided with a clamping groove 4-3, and the second standard block 4-1 of the female bayonet joint 4 is partially accommodated in the clamping groove 4-3 and is positioned at one side of the clamping groove 4-3. The length of the clamping groove 4-3 along the axial direction of the segment structure is greater than or equal to the sum of the length of the first standard block 3-1 and the length of the second standard block 4-1.
When the tunnel joint is used, the number of the first standard blocks 3-1 of the male joint 3 and the number of the second standard blocks 4-1 of the female joint 4 can be adjusted to meet requirements according to different tunnel diameters, the first standard blocks 3-1 and the second standard blocks 4-1 can be overlapped by adopting an integrated clamp, and the overlapping combination of the standard blocks is realized by adopting a welding mode.
In the embodiment, the wedge effect is realized by arranging the inclination which causes the segment anchoring force between the standard blocks to be drawn, the inclination is formed by welding steel wedges into a steel die, wedging the male snap joint 3 and the female snap joint 4 together with the steel, and inserting the male snap joint 3 and the female snap joint 4 obliquely into the end surface between the segments. The male card connector 3 and the female card connector 4 are obliquely arranged, so that a wedge-shaped effect is ensured.
Referring to fig. 8, 9, 10, 11 and 12, the female locking and pushing connector includes a male connector 5 and a female connector 6, the male connector 5 and the female connector 6 are connected with each other in a snap-fit manner and are respectively disposed on two opposite arc ends 1, and the position of the male connector 5 and the position of the female connector 6 respectively correspond to the position of the protrusion and the position of the groove.
The male plug connector 5 comprises an anchor bar 5-1, a bolt 5-3 and a pin 5-4, wherein a bolt hole 5-2 is formed in one end, facing the female plug connector 6, of the anchor bar 5-1, one end of the bolt 5-3 is connected to the bolt hole 5-2 in a threaded mode, and the other end of the bolt 5-3 is connected to the pin 5-4. The pin 5-4 is arranged in the shield segment, and a tapered end is arranged at one end of the pin, which is far away from the bolt 5-3.
In this embodiment, the diameter of the tapered end gradually decreases in a direction away from the plug bolt 5-3; the diameter of the tapered end is larger than that of the pin 5-4, so that the pin 5-4 is convenient to slide; the anchor bars 5-1 are arranged in the shield segment and are Y-shaped long thread anchor bars; the bolt 5-3 and the pin 5-4 are made of high-strength stainless steel.
Female joint head 6 includes steel pipe 6-1, stop valve 6-2, tubaeform afterbody 6-4, rubber sleeve 6-5 and rubber buffer 6-6, the one end of steel pipe 6-1 connect in tubaeform afterbody 6-4, another pot head is equipped with rubber sleeve 6-5. An accommodating hole is formed in the steel pipe 6-1, and a stress hole 6-3 is formed in the wall of the accommodating hole. The rubber plug 6-6 is arranged in the accommodating hole and is opposite to the stress hole 6-3. The containing holes are also used for containing the pins 5-4.
The stop valve 6-2 is arranged at one end of the containing hole far away from the horn-shaped tail part 6-4 and is locked with the conical end. In this embodiment, the stop valve 6-2 includes three stop pieces, the three stop pieces are disposed obliquely, one end of each of the three stop pieces is connected to one end of the receiving hole close to the male card connector 3, and the other end of each of the three stop pieces faces the rubber plug 6-6; the stop valve 6-2 is funnel-shaped and is made of elastic materials; the steel pipe 6-1 is made of high-strength stainless steel; the stop valve 6-2 is laser cut.
During installation, the male bayonet joint 3 is aligned with the female bayonet joint 4, and the male bayonet joint 3 moves axially along the segment structure, so that the first standard block 3-1 is clamped into the accommodating groove, and circumferential connection of two adjacent shield segments is realized.
The male plug connector 5 is aligned with the accommodating hole, the pin 5-4 is pushed, so that after the conical end penetrates through the stop valve 6-2, the stop valve 6-2 abuts against the conical end, and the two stop valves are locked, so that the axial connection of two adjacent shield segments is realized. In this embodiment, the axial connection and the circumferential connection of the shield segments can be performed simultaneously. Wherein the stop valve 6-2 is locked by elastically deforming or restoring the elastic deformation so that the tapered end can pass through the stop valve 6-2 or the stop valve 6-2 abuts against the tapered end.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a section of jurisdiction structure with combination formula tenon fourth of twelve earthly branches and female first locking joint coupling assembling which characterized in that:
the segment structure comprises a plurality of shield segments and a plurality of combined tenon-and-mortise and female locking joint connecting assemblies, the segment structure is cylindrical, the shield segments are arc-shaped and comprise two rectangular ends (2) and two arc-shaped ends (1), the two rectangular ends (2) are oppositely arranged along the circumferential direction of the segment structure, and the two arc-shaped ends (1) are oppositely arranged along the axial direction of the segment structure; the two opposite arc-shaped ends (1) are respectively provided with a groove and a bulge, and the bulges are accommodated in the grooves;
the combined mortise and tenon and female locking joint connecting assembly comprises a mortise and tenon joint connecting piece and a female locking push joint connecting piece; the tenon-and-mortise joint connecting piece is connected with two opposite rectangular ends (2) so as to realize circumferential connection of two adjacent shield segments; the female locking and pushing joint connecting piece is connected with the two opposite arc ends (1) so as to realize the axial connection of two adjacent shield segments;
the female locking and pushing joint connecting piece comprises a male plug joint (5) and a female plug joint (6) which are connected to two opposite arc-shaped ends (1) respectively, the male plug joint (5) comprises pins (5-4) connected to the arc-shaped ends (1), one end, facing the female plug joint (6), of each pin (5-4) is provided with a conical body, the diameter of the large end of each conical body is larger than that of each pin (5-4), and the diameter of each conical body is gradually reduced along the direction far away from the corresponding pin (5-4); the female plug connector (6) comprises a steel pipe (6-1) connected with the arc-shaped end (1) and a stop valve (6-2), an accommodating hole is formed in the steel pipe (6-1), and the stop valve (6-2) is arranged at one end, facing the male plug connector (5), of the accommodating hole and is funnel-shaped; the stop valve (6-2) is locked by elastic deformation or elastic deformation recovery so that the cone body passes through the stop valve (6-2) or abuts against the stop valve (6-2);
the mortise-tenon joint connecting piece comprises a male clamp joint (3) and a female clamp joint (4), and the male clamp joint (3) and the female clamp joint (4) are respectively arranged in the two opposite rectangular ends (2); the male clamping connector (3) is clamped into the female clamping connector (4) in a sliding mode, so that mortise and tenon connection is formed between the male clamping connector (3) and the female clamping connector (4), and circumferential connection of two adjacent shield segments is achieved;
the male card connector (3) comprises a first standard block (3-1) and a first anchor rod (3-2), the first anchor rod (3-2) is connected to one end of the first standard block (3-1), and the other end of the first standard block (3-1) is clamped into the female card connector (4); the first standard block (3-1) is I-shaped;
the female clamping joint (4) comprises a second standard block (4-1) and a second anchor rod (4-2), and the second anchor rod (4-2) is connected to one end of the second standard block (4-1); the second anchor rods (4-2) are arranged in the shield segment, and the second standard blocks (4-1) are I-shaped and at least two; one ends of the at least two second standard blocks (4-1) are connected, and the other ends of the at least two second standard blocks are arranged at intervals to form at least one accommodating groove which consists of a circular groove and an opening which are communicated with each other, wherein the opening penetrates through the groove wall of the circular groove; one end of the first standard block (3-1) is clamped in the accommodating groove;
the method comprises the steps that the number of first standard blocks of the male card connector and the number of second standard blocks of the female card connector are adjusted to meet the requirements of tunnels with different diameters, and the first standard blocks and the second standard blocks are overlapped by adopting an integrated clamp.
2. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 1, wherein: the stop valve (6-2) is made of elastic materials, and the stop valve (6-2) comprises three stop pieces which are obliquely arranged.
3. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 1, wherein: the female plug (6) further comprises a horn-shaped tail (6-4), a rubber sleeve (6-5) and a rubber plug (6-6), one end of the steel tube (6-1) is connected to the horn-shaped tail (6-4), and the other end of the steel tube is provided with the rubber sleeve (6-5); stress holes (6-3) are formed in the wall of the accommodating hole; the rubber plug (6-6) is arranged in the accommodating hole and is opposite to the stress hole (6-3).
4. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 1, wherein: the male plug connector (5) comprises an anchor bar (5-1), a bolt (5-3) and a pin (5-4), wherein a bolt hole (5-2) is formed in one end, facing the female plug connector (6), of the anchor bar (5-1), one end of the bolt (5-3) is in threaded connection with the bolt hole (5-2), and the other end of the bolt is connected with the pin (5-4).
5. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 4, wherein: the anchor bars (5-1) are arranged in the shield segment and are Y-shaped long thread anchor bars (5-1); the bolt (5-3) and the pin (5-4) are both made of high-strength stainless steel.
6. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 1, wherein: the male card connector (3) and the female card connector (4) are obliquely arranged.
7. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 6, wherein: the first standard block, the second standard block (4-1), the first anchor rod (3-2) and the second anchor rod (4-2) are all made of steel; the first standard block (3-1) has the same structure as the second standard block (4-1).
8. The segment structure with a combined mortise-tenon joint and female-head locking joint connecting assembly according to claim 6, wherein: a clamping groove (4-3) is formed in the rectangular end (2) where the female clamping connector (4) is located, and a second standard block (4-1) of the female clamping connector (4) is partially accommodated in the clamping groove (4-3) and is located on one side of the clamping groove (4-3); the length of the clamping groove (4-3) along the axial direction of the pipe piece structure is greater than or equal to the sum of the length of the first standard block (3-1) and the length of the second standard block (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036408.3A CN110805450B (en) | 2019-10-29 | 2019-10-29 | Segment structure with combined mortise-tenon joint and female-head locking joint connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036408.3A CN110805450B (en) | 2019-10-29 | 2019-10-29 | Segment structure with combined mortise-tenon joint and female-head locking joint connecting assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110805450A CN110805450A (en) | 2020-02-18 |
| CN110805450B true CN110805450B (en) | 2021-02-26 |
Family
ID=69489417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911036408.3A Active CN110805450B (en) | 2019-10-29 | 2019-10-29 | Segment structure with combined mortise-tenon joint and female-head locking joint connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110805450B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012764A (en) * | 2020-08-25 | 2020-12-01 | 东北大学 | Shield segment of sliding installation type tenon joint and installation method |
| CN113294173A (en) * | 2021-07-09 | 2021-08-24 | 中铁工程装备集团有限公司 | Shield segment connecting structure |
| CN114198118A (en) * | 2021-12-25 | 2022-03-18 | 中铁工程装备集团有限公司 | Underground engineering node processing structure and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235196A (en) * | 1988-07-25 | 1990-02-05 | Takayoshi Otsuka | Concrete segment |
| JPH11294089A (en) * | 1998-04-15 | 1999-10-26 | Ishikawajima Constr Materials Co Ltd | Segment joining structure |
| JP2001262980A (en) * | 2000-03-23 | 2001-09-26 | Mitsui Constr Co Ltd | Cushioning material-inserted joint |
| CN201650304U (en) * | 2010-02-26 | 2010-11-24 | 上海市政工程设计研究总院 | Insertion type circular seam connecting component of shield pipe sheet |
| CN105484764A (en) * | 2015-12-28 | 2016-04-13 | 上海建工集团股份有限公司 | Segment longitudinal seam connecting assembly, tunnel segment structure and construction method |
| CN106939792A (en) * | 2017-03-13 | 2017-07-11 | 上海隧道工程有限公司 | Section of jurisdiction interannular jointing and the method using its connection |
| CN107060816A (en) * | 2017-05-23 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of attachment structure suitable for tunnel duct piece longitudinal joint |
| CN108194099A (en) * | 2018-02-09 | 2018-06-22 | 江苏格睿特管网工程有限公司 | The connection structure of quick-assembling shield duct piece and its assembled engineering method |
-
2019
- 2019-10-29 CN CN201911036408.3A patent/CN110805450B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235196A (en) * | 1988-07-25 | 1990-02-05 | Takayoshi Otsuka | Concrete segment |
| JPH11294089A (en) * | 1998-04-15 | 1999-10-26 | Ishikawajima Constr Materials Co Ltd | Segment joining structure |
| JP2001262980A (en) * | 2000-03-23 | 2001-09-26 | Mitsui Constr Co Ltd | Cushioning material-inserted joint |
| CN201650304U (en) * | 2010-02-26 | 2010-11-24 | 上海市政工程设计研究总院 | Insertion type circular seam connecting component of shield pipe sheet |
| CN105484764A (en) * | 2015-12-28 | 2016-04-13 | 上海建工集团股份有限公司 | Segment longitudinal seam connecting assembly, tunnel segment structure and construction method |
| CN106939792A (en) * | 2017-03-13 | 2017-07-11 | 上海隧道工程有限公司 | Section of jurisdiction interannular jointing and the method using its connection |
| CN107060816A (en) * | 2017-05-23 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of attachment structure suitable for tunnel duct piece longitudinal joint |
| CN108194099A (en) * | 2018-02-09 | 2018-06-22 | 江苏格睿特管网工程有限公司 | The connection structure of quick-assembling shield duct piece and its assembled engineering method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110805450A (en) | 2020-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110805450B (en) | Segment structure with combined mortise-tenon joint and female-head locking joint connecting assembly | |
| CN108532591B (en) | Connecting piece and prefabricated part connected by same | |
| CN108915156B (en) | Combined grouting sleeve connecting structure and steel bar connecting construction method | |
| CN106801610B (en) | Segment-to-segment connection joint using stacked structure and method of connection using the same | |
| CN110761806B (en) | Segment structure with horizontal pin type mortise and tenon joint and push-press fastening type joint connecting assembly | |
| CN110805451A (en) | Segment structure with rigid splicing mortise and tenon joint and male locking joint connecting assembly | |
| EP3545144B1 (en) | Node elements, kits, and methods | |
| US4558970A (en) | Tunnel shield structure | |
| CN211287702U (en) | Annular push-insert type connecting and fastening assembly for shield tunnel segment | |
| DE102017008075B4 (en) | Easy-to-use socket connection to provide a tensile, permanently resilient and detachable pipe connection | |
| CN204780879U (en) | A prefabricated component for connecting connecting piece of two objects and connecting with this connecting piece | |
| CN109763849B (en) | Split type centering plug for anchor rod centering and anchor rod | |
| CN104878757A (en) | Middle nut of connecting component | |
| US4047388A (en) | Method for coupling axially aligned tunnel sections and apparatus therefor | |
| CN210086233U (en) | Concrete pipe pile butt-joint structure | |
| DE102008058042B4 (en) | Pipe coupling for pipes | |
| CN214366148U (en) | Detachable anchor rod device | |
| CN210370671U (en) | Tenon shield segment and tenon shield segment with tenon joint | |
| CN110541717A (en) | Annular push-insert type connecting and fastening assembly for shield tunnel segment and application thereof | |
| CN211058148U (en) | A grout sleeve for steel bar connection | |
| CN209669932U (en) | A kind of prefabricated piping lane bindiny mechanism | |
| CN209942832U (en) | Inter-segment-ring shear-resistant structure for penetrating through special stratum tunnel | |
| CN210395334U (en) | Split assembly type centering support for anchor rod and anchor rod | |
| CN209923924U (en) | Split type support panel and stock | |
| CN205383373U (en) | Can realize mechanized theftproof type plug -in type trough steel tube connector who lays |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |